+ mm-add-folio_xchg_last_cpupid.patch added to mm-unstable branch

+ mm-add-folio_xchg_last_cpupid.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm: add folio_xchg_last_cpupid()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-add-folio_xchg_last_cpupid.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-add-folio_xchg_last_cpupid.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: mm: add folio_xchg_last_cpupid()
Date: Wed, 18 Oct 2023 22:07:59 +0800

Add folio_xchg_last_cpupid() wrapper, which is required to convert
page_cpupid_xchg_last() to folio vertion later in the series.

Link: https://lkml.kernel.org/r/20231018140806.2783514-13-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/mm.h |    5 +++++
 1 file changed, 5 insertions(+)

--- a/include/linux/mm.h~mm-add-folio_xchg_last_cpupid
+++ a/include/linux/mm.h
@@ -1797,6 +1797,11 @@ static inline void vma_set_access_pid_bi
 }
 #endif /* CONFIG_NUMA_BALANCING */
 
+static inline int folio_xchg_last_cpupid(struct folio *folio, int cpupid)
+{
+	return page_cpupid_xchg_last(&folio->page, cpupid);
+}
+
 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
 
 /*
_

Patches currently in -mm which might be from wangkefeng.wang@huawei.com are

mm_types-add-virtual-and-_last_cpupid-into-struct-folio.patch
mm-add-folio_last_cpupid.patch
mm-memory-use-folio_last_cpupid-in-do_numa_page.patch
mm-huge_memory-use-folio_last_cpupid-in-do_huge_pmd_numa_page.patch
mm-huge_memory-use-folio_last_cpupid-in-__split_huge_page_tail.patch
mm-remove-page_cpupid_last.patch
mm-add-folio_xchg_access_time.patch
sched-fair-use-folio_xchg_access_time-in-numa_hint_fault_latency.patch
mm-mprotect-use-a-folio-in-change_pte_range.patch
mm-huge_memory-use-a-folio-in-change_huge_pmd.patch
mm-remove-xchg_page_access_time.patch
mm-add-folio_xchg_last_cpupid.patch
sched-fair-use-folio_xchg_last_cpupid-in-should_numa_migrate_memory.patch
mm-migrate-use-folio_xchg_last_cpupid-in-folio_migrate_flags.patch
mm-huge_memory-use-folio_xchg_last_cpupid-in-__split_huge_page_tail.patch
mm-make-finish_mkwrite_fault-static.patch
mm-convert-wp_page_reuse-and-finish_mkwrite_fault-to-take-a-folio.patch
mm-use-folio_xchg_last_cpupid-in-wp_page_reuse.patch
mm-remove-page_cpupid_xchg_last.patch